State-Level Percentage of the Adult Population Told by a Doctor They Have Coronary Heart Disease (BRFSS), 2003. Note 1: Behavioral Risk Factor Surveillance System is used in the map. Note 2: Interpreted as the percent of the adult population told by a doctor they have coronary heart disease in 2003. Note 3: 22 states and DC reporting. Note 4: Population 18+ is shown.